Create your own Koch snowflake by modifying the substitution segment! Press SPACE to animate your creation! Change the depth slider to adjust how many levels of segment substitutions will take place. Numbers 1 through 7 and A through M will default to example presets. Edit the substitution segment using the following keys: Right/Left: select a different segment to edit. Up/Down Rotate the angle of the currently selected segment Y: Delete the current segment. O: Insert a segment before current segment. P: Insert a segment at the end of the chain. Q: Invert all sides. 8: Set current angle to 60 degrees or add 60 degrees. 9: Set current angle to right angle or add 90 degrees. 0: Set current angle to 45 degrees or add 45 degrees. PRESS SPACE to animate your curve.
https://en.wikipedia.org/wiki/Koch_snowflake#Variants_of_the_Koch_curve Did you know? The snowflake has a finite area bounded by an infinitely long line!